38
- Check the following at cooling mode
Check the voltge between and
of indoor unit terminal
Y
L
Check the voltge between and
of outdoor unit terminal
Y
L
Check the wiring of outdoor unit
Check the compressor
(Check the winding resistance)
Check the compressor capacitor
Check the connecting
wire between indoor
and outdoor.
Change the control
P.C.B
Change the
compressor.
Check the control P.C.B
the circuit for relay
driving.
Rating voltage
less than 90%
NG
Open or Short
Rating voltage
less than 90%
Rating voltage more than 90%
Rating voltage more than 90%
OK
Only Compressor Do not Run
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